Investigation of the Environmental Controls over the Incorporation of U in Foraminifera
Investigation of the Environmental Controls over the Incorporation of U in Foraminifera
批准号:
9907044
负责人:
Ann Russell
金额:
$21.5万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1999
资助国家:
美国
项目状态:
已结题
起止时间:
1999-10-01 至 2005-09-30
中文摘要
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英文摘要
This project will explore the utility of the U/Ca ratio in foraminiferal shells as a tracer of water temperature and of [CO 3]. Specimens will be cultured in the Laboratory under controlled conditions to determine the correlation of U/Ca with each variable, and the resulting equations will be tested using natural speciments collected in sediment traps from the Sargasso Sea and eastern equatorial Pacific. U/Ca and Mg/Ca analyses will be paired for each analysis to determine whether Mg/Ca can be used to control for the temperature effect.
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